Wrench.



F. W. RIESENBERG.

WRENCH.

APPLIGATION FILED APE.'24, 1913.

1,081,700. Patented Dec. 16,1913.

coLuMBlA PLANQGRAPH c0,.w^sHxNa'roN. D. c.

Il STS ATENI @IQFL FRANK W. RIESENBERG, OF CHICAGO, ILLINOIS.

WRENCH.

To all 'whom z5 may concern:

Be it known that I, FRANK W. RlnsEN- BERG, a citizen of the UnitedStates, and a resident of the city of Chicago, county of Cook, and Stateof Illinois, have invented certain new and useful Improvements inWrenches, of which the following is a specification.

My invention relates to Wrenches and more particularly to the chain-tongtypes.

The object of this improvement is to provide a device of this characterwhich will be of simple construction and efficient in operation.

The invention consists in the combinations and arrangements of partshereinafter described and claimed.

rlhe invention will be best understood by reference to the accompanyingdrawing forming a part of this specification, and in which- Figure 1 isa side view of a wrench embodying my invention, Fig. 2 is a centralsection of the handle, jaw and a po-rtion of the chain used in thedevice, and Fig. 3 is a section taken on line 3-3 of Fig. 1.

The preferred form of construction as illustrated in the drawingcomprises a jaw 4 having a serrated curved face 5 on one side and aserrated straight face 6 on its other. The face 6 of the j aw 4 isprovided with a groove 7 extending the length of the jaw. In the groove7 at one end of the jaw 4 is secured a chain S one link of which ispivoted to said jaw as at 9. At the other end of jaw 4 also pivoted ingroove 7 as at 10 is a handle 11. Said handle 11 is provided with arecess 12 in one side thereof adapted to receive the constrictedportions .13 of the links S. The lever 11 is adapted to swing on thepivotal point 10 in the slot 7 of the jaw 4 to accommodate dierent sizesof the article 14 which it is desired to turn. Articles of larger sizesare preferably operated on biy face 5 of said jaw as the movement of thelever 11 is limited by means of the connecting portion between the sidesof said jaw 4 at the face 5. The face 6 of jaw 4 is especially adaptedfor turning objects of smaller sizes since the handle 11 is free toswing in the groove 7 into face 6.

Specification of Letters Patent.

Application led April 24, 1913.

Patented Dec. 16, 1913.

Serial No. 763,277.

In operation, the jaw 4 is placed in contact with an article 14 which itis Vdesired to turn and chain 8 placed around said article with theconst-ricted portion 13 of one of the links of said chain inserted inthe recess 12 of said handle. The chain is drawn tightly by the operatoraround article 14, and the constricted portion of that link which comesnearest to the link 8 is placed in said recess to lock the chaintherein. Then upon moving the handle in the direction of the arrow 15 inFig. 1, it will be observed that operation of the device will beeffected by binding the jaw 4 tightly against article 14. rIhe device ispreferably made in small sizes for household use.

Vhile I have illustrated and described the preferred form ofconstruction for carrying my invention into edect, this is capable ofvariation and modification without departing from the spirit of theinvention. I, therefore, do not wish to be limited to the precisedetails of construction set forth, but desire to avail myself of suchvariations and modifications as come within the scope of the appendedclaim.

Having described my invention what I claim as new and desire to secureby Letters Patent is:

A wrench comprising a jaw having a groove in one of its faces; a chainpivoted in one end of said groove to said jaw, each link of said chainhaving a central const-rieted portion; a handle pivoted in the other endof said groove to said liaw, said handle having a lateral recesssubstantially perpendicular thereto in one side extending to a depthcorresponding to the width of said chain, the sides of said recess beingadapted to coliform to and snugly fit the constricted portions of saidlinks, substantially as described.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

FRANK IV. RIESENBERG.

Witnesses:

JOSHUA R. H. Porrs, HELEN F. LILLIs.

Copies of this patent may be obtained for ve cents each, by addressingthe Commissioner of Eatents,

Washington, D. G.

